Mathematics
语言:
中文
Language:English
==equ==
Unary equation
Multivariate equation
==cal==
Solution inequality
Mathematical calculation
Fractional calculation
Mathematical statistics
Resolving prime factor
Fraction and Decimal Interactions
Lenders ToolBox
==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
current location:Mathematical operation > History of Mathematical Computation
700-500= 580-380= 640-500= 400+390= 180-180= 460+340= 500+300= 640-260= 370-320=
380+160= 260+400= 400+500=
600+390= 880-480= 560+320= 590+110= 540-460= 270-100= 400+210= 750-440= 680-410= 380+160= 260+400= 400+500=
150+490= 320-100= 680-230= 420+200= 160+330= 240+560= 680-670= 780-480= 640-340=
710-400= 820-380= 340-240= 410+190= 480-180= 460+120= 470+800= 240-160= 370-300=
710-400= 280-380= 340-420= 410+190= 480-180= 460+120= 470+800= 240-160= 370-300=
700+200= 440-160= 570-220=
100-20= 100-50= 120-40= 120-20= 360-20= 360-60= 361-40= 362-90= 240+20= 700+200= 440-160= 570-220=
550+290= 720-320= 190-200= 800-300= 440-100= 300+500= 800-400= 400+200= 500+800=
900-400= 780-280= 840-400= 600+290= 380-80= 660+240= 700+200= 440-160= 570-220=
180+60= 460+300= 200+400=
600+290= 880-380= 560+220= 790+10= 740-460= 470-200= 600+110= 550-340= 480-310= 180+60= 460+300= 200+400=
250+390= 520-200= 880-130= 620+100= 360+230= 440+460= 880-670= 780-380= 640-240=
910-300= 480-280= 540-320= 610+90= 280-80= 660+20= 270+700= 440-60= 570-200=
260+100= 300+340= 490+600=
640+100= 520-180= 500+400= 240+500= 280 + 260= 410-230= 540+120= 560-420= 720-500= 260+100= 300+340= 490+600=
540+500= 560-200= 620-400= 140+500= 600+300= 340+600= 840-400= 740-400= 580-400=
740-200= 720-80= 480-200= 540+50= 420-180= 700+300= 740+300= 280-160= 410-300=
260+600= 400+100= 240+600=
640+90= 220-80= 300+400= 740+800= 280-60= 510-300= 540+900= 560-400= 220-100= 260+600= 400+100= 240+600=
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