Hello, I'll answer 200 oral math questions in the first volume of fourth grade mathematics for you. I believe that many friends still don't know the first volume of mathematics in the fourth grade. Now let's have a look!
1、 120+90= 543-306= 300÷ 12= 120×5= 12+ 18+ 14= 62+ 160+38= 14×60= 203-80= 50× / kloc-0/5×4= 175-56= 250×8= 420×20= 25+67+75= 4500÷300= 25×38= 54+97= 560÷40= 145+55= 46+49+5 1= 9 100÷70= 1 03×3= 28×99= 436+208= 323- 197= 630÷45= 350 +470= 8×( 125+50) = 4024÷8= 15× 12×5= 3 15- 1 98= 84+27+73= 35× 102= 62 1- 199= 168÷4= 574- 162-38= (25+24) ×4= 32+268= 100-43= 4 16-2 1 6-78= 99+232= 45+65+55= 24×25= 640÷40= 8 10÷27= 420- 150= 199+76= 157-48-57= 328-209= 2 13÷3= 74× 12+26× / kloc-0/2= 120+90= 543-306= 300÷ 12= 120×5= 12+ 18+ 14= 62+ 160+38= 14×60= 203-8 0= 50× / kloc-0/5×4= 175-56= 250×8= 420×20= 25+67+75= 4500÷300= 25×38= 54+97= 560÷40= 145+55= 46+49+5 1= 9 100÷70= 1 03×3= 28×9 9= 436+208= 323- 197= 630÷45= 350+470= 8×( 125+50) = 4024÷8= 15× 12×5= 3 15- 1 98= 84+27+73= 35× 102= 62 1- 199= 168÷4= 574- 162-38= (25+24) ×4= 32+268= 100-43= 4 16-2 1 6-78= 99+232= 45+65+55= 24×25= 640÷40= 8 10÷27= 420- 150= 199+76= 157-48-57= 328-209= 2 13÷3= 74× 12+26× 12=。